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drm/amdkfd: CRIU checkpoint and restore queue mqds

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Checkpoint contents of queue MQD's on CRIU dump and restore them during
CRIU restore.

Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Yat Sin
2021-01-25 12:50:14 -05:00
committed by Alex Deucher
parent 5bb6a8fa75
commit 42c6c48214
11 changed files with 516 additions and 26 deletions
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12
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
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@@ -83,13 +83,17 @@ struct device_process_node {
* control stack, if kept in the MQD, to the given userspace address.
*
* @reset_queues: reset queues which consume RAS poison
* @get_queue_checkpoint_info: Retrieves queue size information for CRIU checkpoint.
*
* @checkpoint_mqd: checkpoint queue MQD contents for CRIU.
*/
struct device_queue_manager_ops {
int (*create_queue)(struct device_queue_manager *dqm,
struct queue *q,
struct qcm_process_device *qpd,
const struct kfd_criu_queue_priv_data *qd);
const struct kfd_criu_queue_priv_data *qd,
const void *restore_mqd);
int (*destroy_queue)(struct device_queue_manager *dqm,
struct qcm_process_device *qpd,
@@ -140,6 +144,12 @@ struct device_queue_manager_ops {
int (*reset_queues)(struct device_queue_manager *dqm,
uint16_t pasid);
void (*get_queue_checkpoint_info)(struct device_queue_manager *dqm,
const struct queue *q, u32 *mqd_size);
int (*checkpoint_mqd)(struct device_queue_manager *dqm,
const struct queue *q,
void *mqd);
};
struct device_queue_manager_asic_ops {